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Which of the following expressions is undefined cot180° sec0° csc(-90°)​
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1 vote
Which of the following expressions is undefined

cot180°
sec0°
csc(-90°)​

User Delete Me
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1 Answer

2 votes

Answer:

Explanation:

cot x = adjacent side / opposite side

So cot 180 = x / 0 which is undefined.

User IJared
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